The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated.

Ultimate Marvel, later known as Ultimate Comics, was an imprint of comic books published by Marvel Comics, featuring re-imagined and updated versions of the company's superhero characters from the Ultimate Universe.

Ultimate Mortal Kombat 3 (UMK3) is a fighting video game in the Mortal Kombat series, developed and released by Midway to arcades in 1995. It is an update of 1995's earlier Mortal Kombat 3 with an altered gameplay system, additional characters like the returning favorites Kitana and Scorpion who were missing from Mortal Kombat 3, and some new features.